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Irina18
[472]
3 years ago
8
Please help if you know how to do this type of math! :)
Mathematics
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1
answer:
VashaNatasha
[74]
3 years ago
3
0
It's just a tiny bit sloppy. The 10.2 cm should be designated with a right angle too. I'll answer it that way.
Area = (L1 + L2)*h/2
L1 = 10.2
L2 = 12.2
h = 12.6
all givens are in cm.
Area = (10.2 + 12.2)*12.6/2
Area = 22.4 * 6.3
Area = 78.12 cm^2
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